Water Temperature Model Boundary Conditions Water Temperature Model - - PDF document

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Water Temperature Model Boundary Conditions Water Temperature Model - - PDF document

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12/3/2012 Water Temperature Model Boundary Conditions Water Temperature Model Boundary Conditions A=Alameda Creek at Diversion Dam B=Base of Calaveras Dam C=Arroyo de la Laguna D=Sinbad Creek E=Vallecitos Creek F=Stonybrook Creek G=Dry Creek

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Water Temperature Model Boundary Conditions

Water Temperature Model Boundary Conditions

A=Alameda Creek at Diversion Dam B=Base of Calaveras Dam C=Arroyo de la Laguna D=Sinbad Creek E=Vallecitos Creek F=Stonybrook Creek G=Dry Creek H=Welch Creek I=San Antonio Creek

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Water Temperature Model Boundary Conditions

  • Used measured water temperature data

whenever possible (and as applicable for a given scenario)

  • Where no data existed, used linear regression

between 3‐day running average air temperature

  • f appropriate meteorological station and

measured water temperature for period of record

  • For impaired and future conditions, used

Calaveras Reservoir Release Temperature spreadsheet model (from SFPUC limnology data)

Above ACDD comparison

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Unique for each scenario

Boundary Condition Location Measured Temperatures Modeled Temperatures Met Data

Alameda Creek Diversion Dam Partial: Summer 2003-2007 Continuous: November 2007- present (T-13) 1996-2002, fill gaps from 2003-2007 (T-13) Calaveras Road Base of Calaveras Dam Use Arroyo Hondo (T-17) Partial: Summer 2003-2006 Continuous: April 2007-present 1996-2002, fill gaps from 2003-2006 (T-17) Rose Peak Arroyo de la Laguna at Verona gage Continuous: USGS gaging station Nov 2003-present 1996-2003 Livermore Sinbad Creek None 1996-present using Stonybrook regression Livermore Vallecitos Creek (SBA) August 1996-present N/A N/A Vallecitos Creek (Natural runoff) May-Sept 2003 1996-2003, 2003- present Livermore Stonybrook Creek Partial: 1999, 2000, 2003, 2004 1996-1999, 2001, 2002, 2005-present, fill gaps Fremont Dry Creek None 1996-present using Stonybrook regression Fremont Welch Creek Summer 2003 1996-present using ACDD regression Livermore San Antonio Creek None 1996-present using ACDD regression Livermore

Provided to Evan for inclusion in HEC‐ RAS model

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Alameda Creek above Arroyo de la Laguna (Water Temple)

Alameda Creek above Arroyo de la Laguna (Water Temple)

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Alameda Creek above San Antonio Creek (Quarry site)